126772880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1648

約数の個数: 80

約数和(自身を含む): 321646080

約数和(自身を除く): 194873200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1264, 1543, 1580, 2054, 3086, 3160, 4108, 5135, 6172, 6320, 7715, 8216, 10270, 12344, 15430, 16432, 20059, 20540, 24688, 30860, 40118, 41080, 61720, 80236, 82160, 100295, 121897, 123440, 160472, 200590, 243794, 320944, 401180, 487588, 609485, 802360, 975176, 1218970, 1584661, 1604720, 1950352, 2437940, 3169322, 4875880, 6338644, 7923305, 9751760, 12677288, 15846610, 25354576, 31693220, 63386440, 126772880]

約数ペア:

[(1, 126772880), (2, 63386440), (4, 31693220), (5, 25354576), (8, 15846610), (10, 12677288), (13, 9751760), (16, 7923305), (20, 6338644), (26, 4875880), (40, 3169322), (52, 2437940), (65, 1950352), (79, 1604720), (80, 1584661), (104, 1218970), (130, 975176), (158, 802360), (208, 609485), (260, 487588), (316, 401180), (395, 320944), (520, 243794), (632, 200590), (790, 160472), (1027, 123440), (1040, 121897), (1264, 100295), (1543, 82160), (1580, 80236), (2054, 61720), (3086, 41080), (3160, 40118), (4108, 30860), (5135, 24688), (6172, 20540), (6320, 20059), (7715, 16432), (8216, 15430), (10270, 12344)]